Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation

2010-10-16 Thread Roig Borrell, Francesc Xavier
Xavier CC: ccie_voice@onlinestudylist.com Asunto: Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation Roig, On Sat, Oct 16, 2010 at 11:14, Roig Borrell, Francesc Xavier mailto:francesc.ro...@tecnocom.es>> wrote: Hi, Yes, I know H.245 alphanumeric is not supported with SIP. However, if I config

Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation

2010-10-16 Thread Miron Kobelski
Roig, On Sat, Oct 16, 2010 at 11:14, Roig Borrell, Francesc Xavier < francesc.ro...@tecnocom.es> wrote: > Hi, > > > > Yes, I know H.245 alphanumeric is not supported with SIP. However, if I > configure it (although it does not make sense), the dial-peer changes by its > own the dtmf-relay method

Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation

2010-10-16 Thread Roig Borrell, Francesc Xavier
, Francesc Xavier CC: ccie_voice@onlinestudylist.com Asunto: Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation one more thing - H.245 alphanumeric doesn't work with SIP, it's simply ignored. On Sat, Oct 16, 2010 at 10:01, Miron Kobelski mailto:findko...@gmail.com>> wrote: Hi Roig, there

Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation

2010-10-16 Thread Miron Kobelski
one more thing - H.245 alphanumeric doesn't work with SIP, it's simply ignored. On Sat, Oct 16, 2010 at 10:01, Miron Kobelski wrote: > Hi Roig, > > there are two methods for sending DTMFs inband: > * RFC2833 (NTE - Named Telephony Events) - which injects in the voice RTP > strem DTMFs as RTP p

Re: [OSL | CCIE_Voice] Dtmf-Relay Negotiation

2010-10-16 Thread Miron Kobelski
Hi Roig, there are two methods for sending DTMFs inband: * RFC2833 (NTE - Named Telephony Events) - which injects in the voice RTP strem DTMFs as RTP packets with different RTP payload type (usually 121 with Cisco I believe, while ulaw is payload type 0, alaw is type 8, etc.). This is not suppor

[OSL | CCIE_Voice] Dtmf-Relay Negotiation

2010-10-15 Thread Roig Borrell, Francesc Xavier
Hi All, I am doing some tests with dtmf-relay and I have found an scenario I do not understand: Call SCCPphone CME to CUE dial-peer voice 4600 voip destination-pattern 4[126]00 session protocol sipv2 session target ipv4:10.10.202.2 incoming called-number 409[89] dtmf-relay sip-notify